telegrafConfigs: replace js client with oats generated client

Replace references to `import {client} from 'src/utils/api'` in the following files with `import {FUNCTION_NAME} from 'src/client'`

- `src/dataLoaders/actions/dataLoaders.ts`
- `src/telegrafs/actions/thunks.ts`

Ensure sufficient tests are available before making the switch and that tests pass after replacement.

Inspect src/dataLoaders/actions/dataLoaders.ts and src/telegrafs/actions/thunks.ts to identify the generated client functions corresponding to the current API calls. First verify that tests cover these actions, then replace the imports and usages and run the relevant test suite; done means the tests pass with both files using src/client.

Written by the indexing model from the issue text.